SC

Sheng Chang

Schlumberger Technology: 28 patents #127 of 7,293Top 2%
Overall (All Time): #128,698 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 25 most recent of 29 patents

Patent #TitleCo-InventorsDate
12405436 Electrically conductive fiber optic slickline for coiled tubing operations Joseph Varkey, David Kim, Maria Grisanti, Montie W. Morrison, Burcu Unal Altintas 2025-09-02
12163394 Reduced torque wireline cable Joseph Varkey, Mathew Varghese, Tam Tran 2024-12-10
11387014 Torque-balanced, gas-sealed wireline cables Joseph Varkey, Byong Jun Kim, Jushik Yun, Burcu Unal Altintas 2022-07-12
11315706 Downhole cable and method of making a downhole cable Joseph Varkey, Burcu Unal Altintas, Dong Yang, Qingdi Huang 2022-04-26
11268329 Electrically conductive fiber optic slickline for coiled tubing operations Joseph Varkey, David Kim, Maria Grisanti, Montie W. Morrison, Burcu Unai Altintas 2022-03-08
11158442 Manufacturing techniques for a jacketed metal line Joseph Varkey, Burcu Unal Altintas, Jushik Yun, Dong Yang, Ramnik Singh 2021-10-26
10854354 Downhole cables and methods of making the same Joseph Varkey, Burcu Unal Altintas, Qingdi Huang, Jeffrey Joseph Kamps, Paul Wanjau 2020-12-01
10738577 Methods and cables for use in fracturing zones in a well Joseph Varkey, Paul Wanjau, David Kim, Maria Grisanti, Peter Richter +3 more 2020-08-11
10636718 Inorganic packaging module having a chip encapsulated therein 2020-04-28
10487616 Packoff seals and processes for using same Joseph Varkey, Jared Mangum, Ramadan Mansour, Montie W. Morrison, Qingdi Huang +2 more 2019-11-26
10468156 Cables with polymeric jacket layers Joseph Varkey, Qingdi Huang, Burcu Unal Altintas, Patrick Sladecek, Celso Oliveira +1 more 2019-11-05
10304589 Downhole cables and methods of making the same Joseph Varkey, Burcu Unal Altintas, Willem Wijnberg, Qingdi Huang 2019-05-28
10297365 Cables with polymeric jacket layers Joseph Varkey, Qingdi Huang, Burcu Unal Altintas, Patrick Sladecek, Celso Oliveira +1 more 2019-05-21
10262770 Method of making a cable Joseph Varkey, Burcu Unal Altintas, Dong Yang, Qingdi Huang 2019-04-16
10087717 Dual use cable with fiber optics for use in wellbore operations Joseph Varkey, Willem Wijnberg, Surya Simanjuntak, Jushik Yun, Burcu Unal Altintas +2 more 2018-10-02
10062476 High power opto-electrical cable with multiple power and telemetry paths Joseph Varkey, Vadim Protasov, Jose Ramon Lozano-Gendreau 2018-08-28
10037836 Slickline manufacturing techniques Joseph Varkey, Burcu Unal Altintas, Jushik Yun, Dong Yang, Ramnik Singh 2018-07-31
10001613 Methods and cables for use in fracturing zones in a well Joseph Varkey, Paul Wanjau, David Kim, Maria Grisanti 2018-06-19
9959953 Torque-balanced electrical cable Joseph Varkey, Vadim Protasov 2018-05-01
9859037 Downhole cables and methods of making the same Joseph Varkey, Burcu Unal Altintas, Willem Wijnberg, Qingdi Huang 2018-01-02
9767938 Cables and methods of making cables Joseph Varkey, Burcu Unal Altintas, Willem Wijnberg, Qingdi Huang, Jushik Yun 2017-09-19
9679677 Cable Joseph Varkey, Burcu Unal Altintas, Dong Yang, Qingdi Huang 2017-06-13
9638021 Pump deployment via cable Joseph Varkey 2017-05-02
9496075 Wireline cables not requiring seasoning Joseph Varkey, Vadim Protasov, Jushik Yun 2016-11-15
9412492 Torque-balanced, gas-sealed wireline cables Joseph Varkey, Byong Jun Kim, Jushik Yun 2016-08-09